Home / 31,937.98-47,870-15,081.68

Finding the Fourth Proportional to 31,937.98, 47,870 and 15,081.68

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Solution

The fourth proportional to 31,937.98, 47,870 and 15,081.68 is: 22,605.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,937.98 : 47,870 = 15,081.68 : x
  2. Step 2: Convert to fraction form
    31,937.98/47,870 = 15,081.68/x
  3. Step 3: Cross multiply
    31,937.98x = 47,870 × 15,081.68
  4. Step 4: Simplify right side
    31,937.98x = 721,960,021.60
  5. Step 5: Solve for x
    x = 721,960,021.60/31,937.98
  6. Step 6: Final answer
    x = 22,605.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.